Luc Maximilien
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After 19 minutes in Loiter ,150° Yaw rotation and went gently down vvithout responding to radio sticks

Started this discussion. Last reply by Luc Maximilien Aug 30, 2016. 9 Replies

Pixhawk last revision with 3.3.3 firmware.It is not the first time it happens, but previously I suspect bad compass , Gps gliches, solar storms .Today I check everything twice and all was going…Continue

Heavy drone crash during Ski World Cup

Started this discussion. Last reply by Andre K. Dec 23, 2015. 1 Reply

Italy already…Continue

Tags: campiglio, madonna, slalom

Circle mode not working as it should

Started this discussion. Last reply by BaNe Machine Sep 23, 2014. 2 Replies

I'm using version 3.13  with an Hexa ,Even if I change the value of circle_radius  from 20 to 30 the copter circle perfectly but only with a radius around 10 meters .Also the circle_rate  with values…Continue

Tags: rate, radius, circle

Only two output pins with PWM for the gimball ?

Started this discussion. Last reply by Luc Maximilien May 7, 2014. 1 Reply

I have recently bought a APM 2.6 , I use a custom build brushless gimball for Sony cx730 and only pins A10 and A11 have a PWM output while I need another one for the zoom function of the Sony.I have…Continue

 

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Latest Activity

Sriram replied to Luc Maximilien's discussion Do-Set-Cam-Trigg-Dist wrong distance between photos in the group Terrain/Surface Mapping
"can you upload the log file..."
Feb 10
Luc Maximilien commented on Chris Anderson's blog post New 3DR autopilot: Pixhawk Mini
"@ Ravi , I do nt completely agree with you about impossibility to fight against chinese products. Mikrokopter is an example. They continue to build and sell their products. They are expensive but good quality. The same for other manufacturer of…"
Oct 29, 2016
Luc Maximilien commented on Chris Anderson's blog post New 3DR autopilot: Pixhawk Mini
"Telemetry data on Frsky radio display , IMO, is fundamental .So for me an autopilot without two UARTS like the original Pixhawk or native Frsky telemetry  is useless ."
Oct 28, 2016
Luc Maximilien replied to Kaan Ozgen's discussion Drone with 1 hour flight time
"I do not know if it is a joke but to have 60 minutes flightime with 11' props you need a motor/prop combination with almost 4 times the efficiency of motor/prop actually on the market."
Oct 19, 2016
Luc Maximilien replied to Kaan Ozgen's discussion Drone with 1 hour flight time
"I do not think so because multirotors have some advantage if you consider payload vs size of aircraft . Multirotors are much more easier to pilot because they do not fly they rather translate in the air and they can fly better with wind. When a quad…"
Oct 19, 2016
Luc Maximilien replied to Kaan Ozgen's discussion Drone with 1 hour flight time
"Yes, you can change the gimbal in just 1 minute , or put anything else you want very quickly ."
Oct 18, 2016
Luc Maximilien replied to Kaan Ozgen's discussion Drone with 1 hour flight time
"The hexa I build  fly for 34 minutes with 1100 grams of payload , the quad  (870 grams without battery and payload) with 250 grams of payload fly for 50 minutes ."
Oct 18, 2016
Luc Maximilien replied to Eric Smith's discussion Voltage Drop on Pixhawk Power module under load
"I not had a good experience with the Mauch Ubec and current sensor. The current reading that appears on Mission Planner is not stable , it varies a lot , much more than the standard 3DR current sensor making the current data unuseful .Mauch told me…"
Oct 14, 2016
Luc Maximilien replied to Eric Smith's discussion Voltage Drop on Pixhawk Power module under load
"Current draw should be 21 A  with a good motor so with 10200 mAh 3S you should fly 28 minutes . With 27A and 10200 mAh 3S you should fly 22 minutes. So apparently your batteries are almost dead ."
Oct 10, 2016
Luc Maximilien commented on Julian's blog post 3DR's Rise and Fall
"I wrote infamous while I wanted to say inglorious."
Oct 8, 2016
Luc Maximilien commented on Julian's blog post 3DR's Rise and Fall
"The abandon of DIY market by 3DR was a big mistake. They could create a new company to market the Solo and continue to make high quality hardware for DIY market. Nobody has ever blame 3DR for the price of the APM or the Pixhawk , if you put a 2000$…"
Oct 8, 2016
Luc Maximilien replied to Venkatakrishnan's discussion How to use the pixhawk aux pins to control servo or led.
"I was not able to operate the second relay with the radio control. It seems that the relays other than relay 1 can only be switch by waypoints mission and not radio control. So only one relay can be operate by the pilot directly ."
Sep 17, 2016
Luc Maximilien replied to Alex's discussion Pixhawk / Dual UBEC Distribution Board VI ISSUE
"Well, if at 5A you will get 0,15v and at 20A 0,6v , then your solution is good . Be aware , I got at 10A a precise measure  but  values become non linear (greater) for lower Ampère , from 10,5A to  30A the readings change very…"
Sep 3, 2016
Luc Maximilien replied to Alex's discussion Pixhawk / Dual UBEC Distribution Board VI ISSUE
"Hi, 10K  is 20.000 times more that the original value , it seems to me a very high value for a shunt resistor . Did you measure what is the voltage output  at 10A or 20A ? If it is to high there is the risk of damage for the flight…"
Sep 2, 2016
Luc Maximilien added a discussion to the group 3D Printing Drone Parts
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Be careful with 3D printers in crowdfunding campaigns

Be careful  to buy 3D printers in crowdfunding campaigns !One of the most commons errors that startup companies do is to sell at too much low prices their printers in the crowdfunding campaign .Then they will do not have enough money to build and ship the printers when  some extra cost arise, i.e. the express courier do not maintain shipping quote.The more they succeded with the campaign the more they will have problems to ship the printers.With the paradoxically  situation where you'll find in…See More
Aug 31, 2016
Luc Maximilien replied to Andrew Collins's discussion Getting an affordable 3D Printer? in the group 3D Printing Drone Parts
"Hi , I was one of Crafbot Indigogo campaign owners and went to Budapest in December 2015 to pickup the printer because I talked to the guys of Crafbot to become distributor in my country , finally i didn't. Crafbot  is a good product but…"
Aug 31, 2016

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bulid multirotors for aerial videos
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